Rasmusson, Annica J. http://orcid.org/0000-0002-7228-7755
Gallwitz, Maike
Soltanabadi, Bardia http://orcid.org/0000-0003-4827-5268
Ciuculete, Diana M.
Mengel-From, Jonas
Christensen, Kaare http://orcid.org/0000-0002-5429-5292
Nygaard, Marianne http://orcid.org/0000-0003-0703-2665
Soerensen, Mette http://orcid.org/0000-0001-5268-3366
Boström, Adrian E.
Fredriksson, Robert
Freyhult, Eva
Mwinyi, Jessica
Czamara, Darina http://orcid.org/0000-0001-7381-904X
Binder, Elisabeth B. http://orcid.org/0000-0001-7088-6618
Schiöth, Helgi B.
Cunningham, Janet L. http://orcid.org/0000-0001-7876-7779
Article History
Received: 7 October 2020
Revised: 27 April 2021
Accepted: 11 May 2021
First Online: 24 June 2021
Ethics approval and consent to participate
: The Regional Ethics Committee in Uppsala approved this study (registration number 2014/148 2014-06-12) and all participants provided written consent.
: The authors declare no competing interests.
: Written informed consents were obtained from all Danish twin participants. Collection and use of biological material and survey information were approved by the Regional Scientific Ethical Committees for Southern Denmark (VF 20040241), and the study was approved by the Danish Data Protection Agency.